bench(b, color.RGBAModel, color.GrayModel, color.AlphaModel, Over)
}

func BenchmarkRGBA64ImageMaskOver(b *testing.B) {
	bench(b, color.RGBAModel, color.RGBA64Model, color.AlphaModel, Over)
}

func BenchmarkRGBA(b *testing.B) {
	bench(b, color.RGBAModel, color.RGBA64Model, nil, Src)
}

func BenchmarkPalettedFill(b *testing.B) {
	bench(b, palette, nil, nil, Src)
}

func BenchmarkPalettedRGBA(b *testing.B) {